Incidentally Detected Fused Supernumerary Kidney

What is it about?

This case presentation describes a rare finding of a fused supernumerary kidney in a 78-year-old woman who was undergoing staging for endometrial carcinoma. The discovery was incidental, as the patient had no urinary tract complaints. The supernumerary kidney, smaller than the native kidneys, was fused with the upper pole of the right kidney and had its own arterial supply, collecting system, and ureter. No additional pathologies were found. Supernumerary kidneys are uncommon and often asymptomatic. Understanding their anatomical features and potential associated anomalies is important for accurate diagnosis and appropriate management. This case contributes to the medical knowledge of this rare condition and emphasizes the significance of radiological evaluation for surgical planning.

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Why is it important?

The fused supernumerary kidney in an asymptomatic patient is important as it represents a rare anatomical anomaly. Understanding and documenting such cases contribute to the body of medical knowledge. Additionally, identifying associated urogenital or other organ system anomalies is crucial for comprehensive patient evaluation. Furthermore, recognizing the presence and characteristics of the supernumerary kidney aids in surgical planning, particularly when considering interventions for nonfunctional kidneys.